Question

(a) if one root of the quadratic equation x²-2x+5=0 is 1-2i, then the other root is
a) -1+2i
b) 1+2i
c) -1-2i
d) 2-4i​

Answer 1

Answer:

b

Step-by-step explanation:

by formula method

you get 2 root

1 are 1-2i

and other root are conjugate

i.e 1+2i

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Answer 2

Answer:

b

Step-by-step explanation:

by

shree dhracharya method